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76 results for “Sperm”

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Research ArticleOpen accessEvery word in the titleOligoasthenoteratozoospermia and Necrozoospermia: A Study of Sperm Na+, K+-ATPase α4 and Plasma Membrane Ca2+-ATPase 4 RegulationSilvia W. Lestari, Dessy Noor Miati, AsmarinahThe oligoasthenoteratozoospermia (OAT) and necrozoospermia are the extreme sperm abnormalities in male infertility. These sperm abnormalities may be related to the imbalance of ion transport which mediated by the ion-transporting P-type ATPases, such as Na+, K+-ATPase and Ca2+-ATPase. Until now, there is limited data about the activity of Na+, K+-ATPase and Ca2+-ATPase in sperms in the OAT and necrozoospermia samples. … …OnLine Journal of Biological Sciences, Vol. 18, Issue 3 · 3 Aug 2018 · 11,269 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleKinetic Motilities of Cryopreserved Bull Spermatozoa: Owing to the Effect of Eurycoma longifolia Jack Aqueous ExtractFalah Hasan Baiee, Abd Wahid Haron, Rosnina Haji Yusoff et al.This study was carried out to improve the kinetic motilities of frozen-thawed bull semen diluted with tris-based egg yolk diluent that was supplemented with Eurycoma longifolia jack aqueous extract. A total of 24 ejaculates were obtained from six cross-bred bulls using an electro-ejaculator. The extract of Eurycoma longifolia jack was distributed into three low doses and three high doses; cryopreserved … …American Journal of Animal and Veterinary Sciences, Vol. 12, Issue 2 · 16 Jun 2017 · 8,635 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUse of Quinolones in Bull Semen Extenders to Reduce Sperm Deoxyribonucleic Acid DamageClara Gonzalez-Marin, Michael Eduard Kjelland, Rosa Roy et al.Cryopreserved sperm samples from Holstein bulls (n = 20) were examined for bacterial presence and Sperm DNA Fragmentation (SDF) dynamics. SDF was assessed after thawing (T0) and at 4, 24 and 48 h of incubation (37°C) and the rate of SDF (r-SDF), as an estimator of the DNA degradation over time, was calculated. Two groups of bulls were identified based … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 4 · 29 Dec 2012 · 7,430 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleRelationship of Scrotal Circumference with Spermatozoa Production in Various Breed of Indonesian Local BullsTrinil Susilawati, Nisa’us Sholikah, Sri Wahjuningsih et al.Bulls for artificial insemination must qualify as a superior bull that has good genetic quality and semen production. Therefore, the selection process for bulls must be carried out accurately. The study aims to determine the relationship between scrotal circumference with semen production in the Ongole crossbred, Bali, Madura and Brahman bulls. The research materials were four breeds of bull Ongole … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 2 · 28 Apr 2020 · 7,707 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleForensic Relationship between ATP6 Gene and Sperm Motility in a Saudi PopulationSafa A.M. Elsanousi, Murid Javed, Hamad Sufyan, Sayed A.M. AmerApproximately 600 bp of ATP synthase subunit 6 mitochondrial gene (ATP6) were amplified and sequenced for 110 semen samples collected from infertile and normal Saudi men inhabiting Riyadh province. These data were analyzed in order to identify the Single Nucleotide Polymorphisms (SNPs) associated with male infertility. Six silent substitutions G8697A, G8856A, T8889C, T8952C, C9075T and C9060A were recorded with one … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 1 · 11 Jan 2020 · 7,617 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffects of Vitamin E on Stress Resorption, Lipid Profile and Reproductive Performance of Sokoto Red GoatsKehinde Matthias OKUKPE, Ling Shing Wong, Geetha Subramaniam et al.Vitamin E (α-tocopherol) plays a critical role in animal nutrition as an antioxidant, contributing to anti-inflammatory responses, immune function, and gene expression regulation. This study aimed to determine the optimal dietary level of vitamin E to alleviate the effects of environmental stress in Sokoto Red Goats transported from their native dry savannah belt to the humid derived savanna belt of … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 20 Mar 2026 · 1,509 accessesView PDFCite
Research ArticleOpen accessIn the keywordsImproving the Technology for Assessing the Semen of Beige Karakul SheepAigerim Turekyzy Bigarayeva, Nuradin Alibayev, Arkadiy Kanurovich Natyrov et al.The article presents the research results on the effective use of seed products from breeding rams in reproduction for the conservation and targeted propagation of genetic resources of Karakul sheep of rare beige color, which are on the verge of extinction. Selected freshly obtained ejaculates from 6 beige rams of the Karakul breed in the amount of 32 samples, meeting … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 17 Feb 2025 · 4,501 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAdvanced Assessing Techniques of the Reproductive Performance of BullsGulzat Turysbayeva, Isatay Jakupov, Aisulu Kuzerbayeva, Zhanargul ZharkimbayevaThe sperm quality supplied by producers is an urgent problem in the field of livestock breeding. Therefore, monitoring the health of male producers and sperm quality is of great priority. The study aimed to assess the reproductive performance of bulls using laboratory, clinical, morphological, ultrasound and reflexological techniques. A total of 17 heads of Kazakh-white-headed, Holstein-Frieze and Simmental breeds were … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 1 · 23 Jan 2023 · 5,666 accessesView PDFCite
Research ArticleOpen accessIn the keywordsStudy the Efficacy of Different Concentrations of Coconut Water on Boar Semen Following Equilibration at 18°C for Different HoursMduduzi M. Tshabalala, Masindi L. Mphaphathi, Thivhilaheli R. Netshirovha et al.A rich natural resourcesuch as Coconut Water (CCW) features high concentrations of antioxidants,nutrients, amino acids, sugars, and electrolytes. These herbal extractinfusions are used in semen extenders to preserve animal sperm. In addition,CCW is important for in vitro productionof embryos. The purpose of this study was to investigate the use of coconutwater as an alternative bulking agent for boar semen after … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 4 · 23 Nov 2022 · 7,040 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSuperovulation Response and Embryo Quality Recovered Following Flushing Nguni Heifers and CowsAyanda Maqhashu, Masindi L. Mphaphathi, Pokgedi J Sebei et al.The aims of the study were to compare super ovulatory response, fertilization rate and evaluate embryo quality recovered from super ovulated Nguni stud cows and heifers. Nguni cows (n = 15) and heifers (n = 10) aged 4-6 and 2 years, respectively, were used as embryo donors. Embryo donors were synchronized for estrus before superovulation. For superovulation donors were administered … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 4 · 25 Nov 2021 · 6,431 accessesView PDFCite